| http://www.w3.org/ns/prov#value | - Patente US6374440 - Back support - Google PatentesB???squeda Im???genes Maps Play YouTube Noticias Gmail Drive M???s ??Iniciar sesi???n B???squeda avanzada de patentesPatentesA back support provides a generally vertical and rigid panel removably installable along one edge of a bed, against which a person may brace his or her back or other body part as desired while reclining on the bed.
|
